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Finding the Fourth Proportional to 169,866.30, 254,799.45 and 113,879.10

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Solution

The fourth proportional to 169,866.30, 254,799.45 and 113,879.10 is: 170,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,866.30 : 254,799.45 = 113,879.10 : x
  2. Step 2: Convert to fraction form
    169,866.30/254,799.45 = 113,879.10/x
  3. Step 3: Cross multiply
    169,866.30x = 254,799.45 × 113,879.10
  4. Step 4: Simplify right side
    169,866.30x = 29,016,332,046.50
  5. Step 5: Solve for x
    x = 29,016,332,046.50/169,866.30
  6. Step 6: Final answer
    x = 170,818.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.